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Cross-linked polyolefin material blend molded electrical transmission insulating products

a technology of cross-linked polyolefin and electrical transmission, which is applied in the field of polymer material blends, can solve the problems of typical hdpe material temperature limitation at/below 120° c, and achieve the effect of not weakening or losing structure and performan

Inactive Publication Date: 2009-07-02
MARMON UTILITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The patent describes a new material combination that can replace current high-density polyethylene (HDPE) materials used in electrical transmission products. The new material has improved temperature capability and can be over-molded to a structural material to add strength. The technical effect is an insulator that meets or exceeds the requirements of the American National Standards Institute (ANSI) and has elevated temperature capability."

Problems solved by technology

However, the typical HDPE material has a temperature limitation at / below 120° C.
Polyurethane insulators are typically used in such applications since currently utilized HDPE materials cannot meet such thermal conditions.

Method used

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  • Cross-linked polyolefin material blend molded electrical transmission insulating products
  • Cross-linked polyolefin material blend molded electrical transmission insulating products

Examples

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Effect test

Embodiment Construction

[0011]As will be further described herein, formulations of the current polymer material blends are generally comprised of four components:

[0012]1) Low density cross-linkable base resin;

[0013]2) High density resin;

[0014]3) Catalyst masterbatch; and

[0015]4) Color masterbatch.

[0016]In at least one preferred embodiment, a formulation for a polymer material blend includes at least one low density cross-linkable polymer base resin present in an amount at about 53% by weight of the total compound, at least one high density polymer resin present in an amount at about 37% by weight of the total compound, catalyst masterbatch present in an amount at about 5% by weight of the total compound, and color masterbatch present in an amount at about 5% by weight of the total compound.

[0017]The weight percentages of each component of the total compound can be varied by plus or minus 10% of the preferred weight percentage for each component. Accordingly, the at least one low density cross-linkable poly...

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Abstract

A new cross linked polyolefin material combination that is designed to replace current high-density polyethylene (“HDPE”) materials for use with molded or over-molded electrical transmission products. Such molded or over-molded electrical transmission products include, for example, vise-top pin insulators, line post insulators, F-neck, C-neck, and J-neck pin insulators of classes ANSI 55-3, 55-4, and 55-5, Spacer cable spacers, Brackets, hangers, Line post sensors, cable restraint insulators, and transmission style insulators.

Description

RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. application Ser. No. 11 / 356,658, filed Feb. 10, 2006, currently pending, the disclosure of which is hereby incorporated by reference in its entirety.BACKGROUND[0002]The present technology relates to polymer material blends, products containing such blends that are manufactured for the electrical utility market, and methods of manufacturing such products. In particular, the polymer material blends described herein can be cross-linked polyolefin blends that, upon molding, have characteristics compatible with the requirements of electrical utility products. Insulator products that can find application with the polymer material blends described herein can be from a number of electrical insulator devices including, but are not limited to, vise-top insulators; pin insulators; line post insulators; F-neck, C-neck, and J-neck pin insulators of classes ANSI 55-3, 55-4, and 55-5; Spacer cable spacers, Brackets, hange...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B29C45/00
CPCC08K5/0025C08K5/0041C08K5/005C08L23/06C08L2312/08C08L23/0892C08L2666/06Y10T428/31645
Inventor GRENIER, GARY C.MCCOLLOUGH, JR., NORMAN D.
Owner MARMON UTILITY
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